US Bridges

Miner RD over San Pablo Creek

Fair

Contra Costa County, California · At Camino Pablo · Structure no. 28C0330

Built
1931
94 years old
Condition
Fair
inspected December 2023
Type
Stringer/Multi-beam or Girder
Steel
Length
85 ft
3 main spans
Daily traffic
6,368
2020 count
Owner
City
City or Municipal Highway Agency

About this bridge

Miner RD over San Pablo Creek is a steel stringer/multi-beam or girder carrying Miner RD over San Pablo Creek in Contra Costa County, California. It was built in 1931, so it is 94 years old, older than the California average of 54.8 years.

The most recent inspection reported to the Federal Highway Administration rates it in fair condition with a lowest component rating of 5 out of 9. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

It carries about 6,368 vehicles a day, roughly 1% of them trucks, projected to reach 9,878 by 2040. The structure is 85 ft (25.8 m) long and 21 ft wide. If it were closed, the detour would be 6.2 mi (10 km).

Location

Open in Google Maps
CarriesMiner RD
CrossesSan Pablo Creek
LocationAt Camino Pablo
RouteCity Street 0
CountyContra Costa County
StateCalifornia
Coordinates37.88918, -122.19431
Functional classUrban Collector

Condition and inspection

Fair

The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

ComponentRatingMeaning
Deck5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Channel and channel protection5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionDecember 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourUnknown foundation; not evaluated for scour
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry2: Basically intolerable, requiring high priority of replacement
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating41.1 US tons
Inventory rating24.7 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel
DeckConcrete, cast-in-place
Main spans3
Design loadUnknown
Structure length85 ft (25.8 m)
Longest span39 ft (11.8 m)
Deck width21 ft (6.5 m)
Roadway width19 ft (5.9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic6,368 (2020)
Projected traffic9,878 by 2040
Trucks1%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed6.2 mi (10 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCity or Municipal Highway Agency
Maintained byCity or Municipal Highway Agency
Historic statusNot eligible for the National Register of Historic Places
Work proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was Miner RD over San Pablo Creek built?

It was built in 1931, making it 94 years old in 2025.

What condition is Miner RD over San Pablo Creek in?

The National Bridge Inventory rates it in fair condition. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound. The last reported inspection was in December 2023.

How much traffic does Miner RD over San Pablo Creek carry?

About 6,368 vehicles per day (2020 count), of which roughly 1% are trucks.

How long is Miner RD over San Pablo Creek?

The structure is 85 ft (25.8 m) long with a longest span of 39 ft (11.8 m) and a deck 21 ft wide.

Who owns Miner RD over San Pablo Creek?

It is owned by the City or Municipal Highway Agency.